14188537189 has 2 divisors, whose sum is σ = 14188537190. Its totient is φ = 14188537188.

The previous prime is 14188537169. The next prime is 14188537193. The reversal of 14188537189 is 98173588141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11851588225 + 2336948964 = 108865^2 + 48342^2 .

It is a cyclic number.

It is not a de Polignac number, because 14188537189 - 2¹³ = 14188528997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14188537169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7094268594 + 7094268595.

It is an arithmetic number, because the mean of its divisors is an integer number (7094268595).

Almost surely, 2^14188537189 is an apocalyptic number.

It is an amenable number.

14188537189 is a deficient number, since it is larger than the sum of its proper divisors (1).

14188537189 is an equidigital number, since it uses as much as digits as its factorization.

14188537189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 55.

The spelling of 14188537189 in words is "fourteen billion, one hundred eighty-eight million, five hundred thirty-seven thousand, one hundred eighty-nine".